public void Close()
{
if (_session != null)
{
_act();
var maxWait = RabbitClock.GetNow().AddSeconds(_parameters.MaxTimeWaitingToClose);
while (Interlocked.Read(ref _count) > 0)
{
if (maxWait < RabbitClock.GetNow())
{
Trace.WriteLine($"interrupt waiting closure subcriber {_parameters.Name}");
break;
}
}
try
{
RabbitInterceptor.Instance?.DisposeSessionRun(_broker, _session);
}
catch (Exception e)
{
Trace.WriteLine(e.Message);
}
_session.Close();
_session = null;
}
}
private async void _consumer_Received(object sender, BasicDeliverEventArgs e)
{
lock (_lock)
_nextWarnTime = RabbitClock.GetNow().AddSeconds((_watcher * 2) + 1);
Interlocked.Increment(ref _count);
IBrokerContext context = _factoryContext();
if (context is IRabbitMessage message)
{
message.Parameters = _parameters;
message.Broker = _broker;
message.Message = e;
message.Session = _session;
}
try
{
await _callback(context);
}
finally
{
Interlocked.Decrement(ref _count);
}
}
public Session(int watcher, RabbitBroker broker, BrokerSubscriptionParameter parameters, Func <IBrokerContext, Task> callback, Func <IBrokerContext> factoryContext)
{
_nextWarnTime = RabbitClock.GetNow().AddSeconds((watcher * 2) + 1);
_broker = broker;
_parameters = parameters;
_callback = callback;
_watcher = watcher;
_factoryContext = factoryContext;
_callback = callback;
_session = broker.GetChannel();
_session.BasicQos(0, (ushort)parameters.MaxParallelism, false);
var _consumer = new EventingBasicConsumer(_session);
_consumer.Received += _consumer_Received;
_act = () =>
{
_consumer.Received -= _consumer_Received;
};
if (broker.Configuration.ConfigAllowed)
{
SetUpBindings(parameters, _session);
}
_session.BasicConsume(parameters.StorageQueueName, false, _consumer);
}
/// <summary>
/// AsyncMethod to append/send logs to rabbitMQ. Adds a new Task for each message to be published
/// and commits and waits for all to finish. The maximum amount of publish per queue is set to 1000.
/// </summary>
/// <returns>Empty Task</returns>
private async void Append(object state = null)
{
if (_session != null)
{
var status = _session.Status();
if (status.Item1 < RabbitClock.GetNow())
{
var count = await _broker.GetQueueDepth(_parameters.StorageQueueName);
if (count > 0)
{
Trace.WriteLine("network cut detected", TraceLevel.Error.ToString());
}
}
}
}